.chat {
  width: 100%;
  height: 88vh;
  flex-direction: column;
}

.chat .main {
  flex: 1;
  height: 78vh;
  overflow-y: scroll;
  background-color: orangered;
}

.chat .footer {
  height: 10vh;
  background-color: orange;
  display: flex;
}

.chat .footer input {
  flex: 1;
  margin: 10px 0;
}

.chat .footer button {
  width: 50px;
  flex-shrink: 0;
}
